Home / 143,043.28-214,565.10-49,549.02

Finding the Fourth Proportional to 143,043.28, 214,565.10 and 49,549.02

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Solution

The fourth proportional to 143,043.28, 214,565.10 and 49,549.02 is: 74,323.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,043.28 : 214,565.10 = 49,549.02 : x
  2. Step 2: Convert to fraction form
    143,043.28/214,565.10 = 49,549.02/x
  3. Step 3: Cross multiply
    143,043.28x = 214,565.10 × 49,549.02
  4. Step 4: Simplify right side
    143,043.28x = 10,631,490,431.20
  5. Step 5: Solve for x
    x = 10,631,490,431.20/143,043.28
  6. Step 6: Final answer
    x = 74,323.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.